20138461148

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29790623}}^1$

素因数の和:29790653

約数の個数: 18

約数和(自身を含む): 38161789344

約数和(自身を除く): 18023328196

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29790623, 59581246, 119162492, 387278099, 774556198, 1549112396, 5034615287, 10069230574, 20138461148]

約数ペア:

[(1, 20138461148), (2, 10069230574), (4, 5034615287), (13, 1549112396), (26, 774556198), (52, 387278099), (169, 119162492), (338, 59581246), (676, 29790623)]